"Fred Smith" <paj### [at] verizonnet> wrote:
> Sometimes POV files render 1 line (or one pixel) at a time. Other times they
> render in what I think is called mosaic preview mode. This seems to run much
> slower, but I can't find out how to turn it off.

  It should render a preview if and only if you use radiosity. You can
manage the amount of pretrace with radiosity options. And yes, radiosity is
slow. It can involve a huge amount of computation to get a good result.

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